package com.nineclock.sign.mapper;

import cn.hutool.crypto.asymmetric.Sign;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.nineclock.sign.dto.SignDTO;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.codehaus.jackson.map.Serializers;

import java.util.List;

@Mapper
public interface SignMapper  extends BaseMapper<SignDTO> {
    //查询所有外勤员工
    @Select("select username from `sys_user`;")
    public List<String> getUserName();

}
